{"id":474,"date":"2016-10-02T19:04:05","date_gmt":"2016-10-02T16:04:05","guid":{"rendered":"http:\/\/www.pexa.com.tr\/?page_id=474"},"modified":"2026-10-16T20:35:10","modified_gmt":"2026-10-16T17:35:10","slug":"100-milyon-metre","status":"publish","type":"page","link":"https:\/\/www.pexa.com.tr\/en\/100-milyon-metre\/","title":{"rendered":"100 Million Metres"},"content":{"rendered":"<link rel=\"stylesheet\" href=\"https:\/\/fonts.googleapis.com\/css2?family=Bricolage+Grotesque:opsz,wght@12..96,500..800&#038;family=IBM+Plex+Mono:wght@400;500&#038;family=IBM+Plex+Sans:wght@400;500;600&#038;display=swap\">\n<style>\n#px{--paper:#F4F4F8;--surface:#fff;--ink:#16182B;--ink-2:#3A3D57;--muted:#62657C;--line:#DCDDE7;--tech:#2B2E7E;--hot:#D9580F;--hot-soft:#FCEEE4;--bio:#1E7F68;--bio-soft:#E2F2EC;--f-display:\"Bricolage Grotesque\",\"Segoe UI\",system-ui,sans-serif;--f-body:\"IBM Plex Sans\",\"Segoe UI\",system-ui,sans-serif;--f-mono:\"IBM Plex 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li.now .y{color:var(--bio)}\n#px .timeline h4{font:600 17px\/1.3 var(--f-body);margin-top:2px}\n#px .timeline p{color:var(--muted);font-size:14.5px;margin-top:3px}\n#px .quote{margin-top:28px;padding:20px 22px;border-left:3px solid var(--hot);background:var(--surface);border-radius:0 12px 12px 0}\n#px .quote p{font:600 clamp(19px,2vw,23px)\/1.35 var(--f-display);color:var(--ink)}\n#px .quote span{display:block;font:400 12.5px var(--f-mono);color:var(--muted);margin-top:8px}\n#px .media{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px}\n#px .media-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px;margin:0}\n#px .media-card img{display:block;width:100%;aspect-ratio:16\/10;object-fit:cover;border-radius:10px}\n#px .media-card figcaption{font:400 12.5px var(--f-mono);color:var(--muted);padding:10px 4px 2px}\n#px .cta-box{background:var(--ink);color:var(--paper);border-radius:24px;padding:clamp(28px,5vw,56px);display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center}\n#px .cta-box h2{margin:0;color:var(--paper)}\n#px .cta-box p{color:rgba(244,244,248,.78);margin-top:12px;font-size:17px}\n#px .cta-box .actions{justify-content:flex-end;margin-top:0}\n#px .cta-box .btn-line{background:transparent;border-color:rgba(244,244,248,.3);color:var(--paper)}\n@media (max-width:980px){#px .hero-grid,#px .split,#px .story-grid,#px .cta-box{grid-template-columns:1fr}#px .stats{grid-template-columns:1fr 1fr}#px .stat:nth-child(3){border-left:0}#px .stat:nth-child(n+3){border-top:1px solid var(--line)}#px .cta-box .actions{justify-content:flex-start}}\n@media (max-width:620px){#px .stats,#px .media{grid-template-columns:1fr}#px .stat+.stat{border-left:0;border-top:1px solid var(--line)}}\n<\/style>\n<div id=\"px\">\n<section class=\"bhero\"><div class=\"wrap\"><div class=\"hero-grid\"><div>\n<p class=\"label hot\">Media \u00b7 40 years \u00b7 PEXa pipe<\/p>\n<h1>100 million metres of pipe. <em>One story.<\/em><\/h1>\n<p class=\"lead\">Starting with ISIYER in 1986, the journey has heated 10 million square metres under the PEXa name in 40 years. In that time we have not recorded a single failure caused by the pipe.<\/p>\n<div class=\"actions\"><a class=\"btn btn-hot\" href=\"https:\/\/www.pexa.com.tr\/en\/referanslar\/\">See the references \u2192<\/a><a class=\"btn btn-line\" href=\"#saglama\">Checking the numbers<\/a><\/div>\n<\/div><div class=\"photo\">\n<img decoding=\"async\" src=\"https:\/\/www.pexa.com.tr\/wp-content\/uploads\/2026\/10\/pexa-boru-40-yil-2.jpg\" alt=\"\u015eantiyede d\u00f6\u015feme \u0131s\u0131tmas\u0131 i\u00e7in serilmi\u015f PEXa borular ve k\u0131rm\u0131z\u0131 boru makaras\u0131\">\n<span class=\"tag t2\"><i><\/i>100,000,000 m<\/span><span class=\"tag t1\"><i><\/i>10,000,000 m\u00b2 \u00b7 underfloor heating<\/span>\n<\/div><\/div>\n<div class=\"stats\">\n<div class=\"stat\"><b>100<small>million m<\/small><\/b><span>PEXa pipe installed<\/span><\/div>\n<div class=\"stat\"><b>10<small>million m\u00b2<\/small><\/b><span>Area heated<\/span><\/div>\n<div class=\"stat\"><b>40<small>years<\/small><\/b><span>Uninterrupted field experience<\/span><\/div>\n<div class=\"stat\"><b>1986<\/b><span>Start of ISIYER installations<\/span><\/div>\n<\/div><\/div><\/section>\n<section class=\"formula-sec\" id=\"saglama\"><div class=\"wrap\">\n<p class=\"label\">Cross-check \u00b7 the two numbers confirm each other<\/p>\n<h2>Stating the number is not enough; <em>you also have to show the calculation.<\/em><\/h2>\n<div class=\"formula\"><span class=\"k p\">100.000.000<small>m<\/small><\/span><span class=\"eq\">\u00f7<\/span><span class=\"k\">10.000.000<small>m\u00b2<\/small><\/span><span class=\"eq\">=<\/span><span class=\"k n\">10<small>m\/m\u00b2<\/small><\/span><\/div>\n<div class=\"split\"><div>\n<p class=\"lead\" style=\"margin-top:0\">10 metres of pipe per square metre means the pipes are laid about <b>10 cm apart<\/b> . This is the typical spacing used for living spaces in underfloor heating. So the two big numbers are no coincidence: one is the physical consequence of the other.<\/p>\n<ul class=\"checks\"><li>Pipe length \u2248 area \u00f7 pipe spacing<\/li><li>1 m\u00b2 \u00f7 0.10 m = 10 m of pipe<\/li><li>10 million m\u00b2 \u00d7 10 m\/m\u00b2 = 100 million m<\/li><\/ul>\n<\/div>\n<figure class=\"grid-card\" style=\"margin:0\"><svg viewbox=\"0 0 360 320\" role=\"img\" aria-label=\"Pipe laid at 10 cm spacing over an area of 1 square metre\"><rect x=\"20\" y=\"20\" width=\"280\" height=\"280\" rx=\"6\" fill=\"#fff\" stroke=\"#DCDDE7\" stroke-width=\"2\"\/><path d=\"M34 34 H286 V62 H34 V90 H286 V118 H34 V146 H286 V174 H34 V202 H286 V230 H34 V258 H286 V286 H34\" fill=\"none\" stroke=\"#D9580F\" stroke-width=\"5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><line x1=\"300\" y1=\"34\" x2=\"300\" y2=\"62\" stroke=\"#16182B\" stroke-width=\"1.5\"\/><text x=\"306\" y=\"52\" font-family=\"IBM Plex Mono,monospace\" font-size=\"11\" fill=\"#16182B\">10 cm<\/text><text x=\"160\" y=\"314\" text-anchor=\"middle\" font-family=\"IBM Plex Mono,monospace\" font-size=\"12\" fill=\"#62657C\">1 m<\/text><\/svg>\n<figcaption>1 m\u00b2 \u00b7 10 cm spacing \u00b7 \u2248 10 m of PEXa pipe (schematic)<\/figcaption><\/figure>\n<\/div><\/div><\/section>\n<section><div class=\"wrap story-grid\"><div>\n<p class=\"label hot\">The story \u00b7 from inventor to field<\/p>\n<h2>One invention, <em>four generations<\/em> of buildings.<\/h2>\n<p class=\"lead\">At the heart of PEXa pipe is the method of cross-linking polyethylene with peroxide. This method turns the molecules into a three-dimensional network and gives the pipe resistance to heat, pressure and time. We have been bringing this material to T\u00fcrkiye&#8217;s buildings for forty years.<\/p>\n<div class=\"quote\"><p>\u201cThe first step of a 10-million-square-metre journey was taken in his laboratory.\u201d<\/p><span>With thanks \u00b7 Thomas Engel \u00b7 inventor of the PEX-a method<\/span><\/div>\n<\/div>\n<ul class=\"timeline\">\n<li><div class=\"y\">Mid-1960s<\/div><h4>The Engel method<\/h4><p>Thomas Engel develops the method of cross-linking polyethylene with peroxide: PEX-a is born.<\/p><\/li>\n<li><div class=\"y\">1970s<\/div><h4>Industrial production<\/h4><p>The method goes into series production at Wirsbo, the root of today&#8217;s Uponor.<\/p><\/li>\n<li><div class=\"y\">1986<\/div><h4>ISIYER<\/h4><p>Underfloor heating installations begin in T\u00fcrkiye.<\/p><\/li>\n<li><div class=\"y\">1996<\/div><h4>First major project<\/h4><p>Kombassan Do\u011fa \u015eehri.<\/p><\/li>\n<li><div class=\"y\">2010<\/div><h4>PEXa and EKOLAKE<\/h4><p>On 5 January 2010 we were reborn as PEXa.<\/p><\/li>\n<li class=\"now\"><div class=\"y\">Today<\/div><h4>Bioiklim<\/h4><p>Heating, cooling and hot water in a single radiant system.<\/p><\/li>\n<\/ul><\/div><\/section>\n<section class=\"formula-sec\"><div class=\"wrap\">\n<p class=\"label\">From the field<\/p>\n<h2>Invisible infrastructure, <em>tangible comfort.<\/em><\/h2>\n<div class=\"media\">\n<figure class=\"media-card\"><img decoding=\"async\" src=\"https:\/\/www.pexa.com.tr\/wp-content\/uploads\/2026\/10\/pexa-boru-40-yil-2.jpg\" alt=\"D\u00f6\u015feme \u0131s\u0131tmas\u0131 i\u00e7in yal\u0131t\u0131m levhas\u0131 \u00fczerine serilmi\u015f PEXa borular\" loading=\"lazy\"><figcaption>Underfloor heating \u00b7 site installation<\/figcaption><\/figure>\n<figure class=\"media-card\"><img decoding=\"async\" src=\"https:\/\/www.pexa.com.tr\/wp-content\/uploads\/2026\/10\/pexa-boru-40-yil-1.jpg\" alt=\"Kollekt\u00f6rden odalara da\u011f\u0131lan s\u0131cak ve so\u011fuk hat borular\u0131n\u0131n \u015fematik g\u00f6r\u00fcn\u00fcm\u00fc\" loading=\"lazy\"><figcaption>From manifold to rooms \u00b7 distribution diagram<\/figcaption><\/figure>\n<\/div><\/div><\/section>\n<section><div class=\"wrap\"><div class=\"cta-box\">\n<div><h2>Let the next square metre be your project.<\/h2><p>A new building or a conversion: from pipe to climate, let&#8217;s design the system together.<\/p><\/div>\n<div class=\"actions\"><a class=\"btn btn-hot\" href=\"https:\/\/www.pexa.com.tr\/en\/iletisim\/#form\">Request a quote<\/a><a class=\"btn btn-line\" href=\"https:\/\/www.pexa.com.tr\/en\/bioiklim\/\">Bioiklim<\/a><\/div>\n<\/div><\/div><\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Medya \u00b7 40 y\u0131l \u00b7 PEXa boru 100 milyon metre boru. Tek bir hik\u00e2ye. 1986\u2019da ISIYER ile ba\u015flayan yolculuk, 40 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"unboxed","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"_links":{"self":[{"href":"https:\/\/www.pexa.com.tr\/en\/wp-json\/wp\/v2\/pages\/474"}],"collection":[{"href":"https:\/\/www.pexa.com.tr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.pexa.com.tr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.pexa.com.tr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pexa.com.tr\/en\/wp-json\/wp\/v2\/comments?post=474"}],"version-history":[{"count":28,"href":"https:\/\/www.pexa.com.tr\/en\/wp-json\/wp\/v2\/pages\/474\/revisions"}],"predecessor-version":[{"id":2040,"href":"https:\/\/www.pexa.com.tr\/en\/wp-json\/wp\/v2\/pages\/474\/revisions\/2040"}],"wp:attachment":[{"href":"https:\/\/www.pexa.com.tr\/en\/wp-json\/wp\/v2\/media?parent=474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}